Bioaccumulation requires one organism, while biomagnification requires multiple organisms Biomagnification requires movement up a food chain in order to occur, while bioaccumulation does not To unlock this lesson you must be a Study.com Member.
The weighted average price for organic half gallon milk is $3.72. For a conventional half gallon of milk, the average. price is $2.33, an organic price premium of $1.39. Once again, there were more total ads for organic milk than. conventional milk. Organic milk advertisement numbers decreased 7%, and ad numbers for conventional milk. decreased 12%.
1 Average U.S. gas prices have declined about 52 cents per gallon since hitting a 2015 peak price of $2.80 per gallon on June 15. 2  The national average declined 26 out of 30 days in September for a total savings of 19 cents per gallon.his is the first time that three states have had averages below $2 since February. The national average price for regular unleaded gasoline has fallen for 28 consecutive days, reaching todayâs price of $2.33 per gallon.